- Industrial
- Electrical
- Safety Switches
- Collection_ safety switches & limits - heating
Safety switches safety switches & limits - heating Collection
Midwest Supply is your trusted source for a wide selection of affordable safety switches and accessories from leading brands like York, Nortek, Honeywell Home, and more. We offer a variety of switch actions (fusible, non-fusible, maintained) in durable materials (brass, steel, steel enclosures) to meet your industrial control requirements.
All Manufacturers
Airco Electrical Bosch Electrical Bradford White Electrical Broan Fans Electrical Buderus Electrical Burnham Boilers Electrical Carlin Electrical Electrical Electrical First Co Electrical Heat Transfer Prod Electrical Honeywell Home Electrical Honeywell Inc Electrical Intellihot Electrical Laars Electrical Lochinvar Electrical Mars Controls Electrical Mcdonnell Miller Electrical Modine Electrical
Navien Boilers & Water Heaters Electrical R.W. Beckett Electrical Rinnai Electrical Thermo Pride Furnaces Electrical Tjernlund Electrical Water Heater Parts Electrical Weil Mclain Electrical York Electrical
Navien Boilers & Water Heaters Electrical R.W. Beckett Electrical Rinnai Electrical Thermo Pride Furnaces Electrical Tjernlund Electrical Water Heater Parts Electrical Weil Mclain Electrical York Electrical
View Details
7250P-081 | Pressure Switch Munchkin Water with Gasket 7250P-081 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-081
View Details
30014699A | Water Pressure Sensor for CH/NCB Model | Navien Boilers & Water Heaters
Brand: Navien Boilers & Water Heaters
SKU: 30014699A
View Details
7250P-089 | Switch Munchkin Thermodisc Flue ECO | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-089
View Details
7250P-739 | Flue Switch ECO 160 for Elite Boilers | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-739
View Details
64980007 | Pressure Switch Munchkin Blocked Vent 7250P-150 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 64980007
View Details
7250P-096 | Pressure Switch Munchkin Water with Blue Dot 7250P-096 | Heat Transfer Prod
Brand: Heat Transfer Prod
SKU: 7250P-096
View Details
511624548 | Pressure Switch Differential SPDT 1.15 Inch Water Column | Weil Mclain
Brand: Weil Mclain
SKU: 511624548
View Details
511624510 | Pressure Switch Differential SPDT 1 Inch Water Column 10C213 | Weil Mclain
Brand: Weil Mclain
SKU: 511624510
View Details
511624450 | Pressure Switch Differential 1.18 Inch Water Column | Weil Mclain
Brand: Weil Mclain
SKU: 511624450
View Details
510312021 | Limit Control Immersion 140-220 Degrees Fahrenheit Automatic Reset | Weil Mclain
Brand: Weil Mclain
SKU: 510312021
View Details
950-0016 | Prover Old Style External J Box Mount SS2 SS2G Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: 950-0016
View Details
80160762 | Pressure Switch Differential 1.32 Inch WC | Burnham Boilers
Brand: Burnham Boilers
SKU: 80160762
Application
- 10C403
- 10C437
- 10C438
- Auto-Draft Inducers
- ES2 X-2 CGE AG
- G124X Boilers
- GV 3 Series Boilers
- HE/VHE Series
- Independence Series Boilers
- L8148E1299
- Low Water Cut Offs Water Feeder
- Low Water Cut Offs; Steam Boilers
- Plus 30/40/60/80
- SS1-R Side Wall Vent Systems
- T50M/80M/140M/199M/399M
- WHKE Millivolt Interlock Kit
Part Number
Pressure
Product Type
- 2 Level High Pressure
- Adapter
- Air
- Air 1IN Water Column
- Air Differential
- Air Negative
- Antunes High Gas
- Antunes Low Gas
- Aquastat 100-240DEG F Manual Reset Less Well
- Aquastat High Limit for Burnham Series 8H Boiler L4080B1212
- Block Temperature
- Blocked Vent
- Boiler
- Bulk Pack
- Combination High/Low
- Cutoff
- Cutoff with Manual Reset
- Differential
- Differential SPDT
- ECO
- Electric Replacement
- Electric with Manual Reset
- For 61/64/67/69/70/764/767
- For Combi Aspen
- For Combi K2WTC
- Gas
- General Purpose Liquid SPDT
- General Purpose SPDT with NEMA-1 Enclosure
- General Purpose SPDT with NEMA-4 Enclosure
- Green Label
- Heat Exchanger Over Temp Limit
- High
- High Auto
- High Sensitivity Liquid SPDT
- High Temperature
- High/Low Gas Manual Reset
- Igniter Sensor Electronic LEC PENN Y75AA-3D
- Immersion
- Kit for Hydrolevel 48-140
- Liquid with Test Feature
- Low
- Low Strap-On New Style
- Low Water Cut Off Controller Less Switch
- Main
- Manual Reset High/Low
- Manual Reset with Bracket
- Mark II
- Old Style External J Box Mount
- On/Off
- Outdoor
- Plus Residential
- Potentiometer Automatic Reset
- Rear with Gasket for FB751-200
- Redundant Limit
- Repair Kit
- Replacement
- Replacement for 21 Series
- Replacement with Manual Reset
- Rollout
- SPST Proving
- Spill 24V with Manual Reset
- Spill with Reset
- Suction
- Thermodisc Flue ECO
- Vent Blocked 200DEG F Setpoint
- Vent Blocked Manual Reset
- Water
- Water Hex Tee
- Water with Blue Dot
- Water with Gasket
- With Engagement/Overflow Switch
- With Screw
- Xylem PSE801 with Harness and Probe
- with Sensing Tube
Size
Temperature
Used on
- 80M/140M/199M
- ALP080-210 Boilers
- Alpine 80-105
- Aspen
- CB045
- CGi-2.5-3-4 Series 1
- CH/NCB Model
- E/Q Series
- E110CN/CP E75CN/CP
- EZ Gas Burner
- EZ Gas Burner Pro Series
- Elite Boilers
- Elite FT
- FTX500
- FTX600-850
- Freedom and CHG Series Boilers
- GA124/17
- GA124/23
- GA244/37
- GA244/44
- GB142 Series
- GV
- GV90+
- Gas Fired Boilers
- HE-Series 3 HE-II Series 3-4-5
- HE-Series 3 HE-II Series 3-5
- HSJ; UC1; HSUL-J ; HST-J; HS115-J; HS1; HSUL-1; HST-1; HS115-1; Side Wall Power Venters
- HW Series Boilers
- Heating
- Heating Series WB
- K2WT-180B 180WTC
- K2WT80-180B
- KB601-801
- KBN500-800
- MC50/80/99/120
- Model SSB
- Multilevel Control
- NKC 110/150/199
- Pennant / Mighty Therm II
- Pennant Pool Heater
- SS2; SS2G Side Wall Vent Systems
- SSB-512
- SSB85-SSB160
- Series 61/64/67/69/70
- Series 93; 193; 94 and 194 Combination Low Water Cut-Offs/Pump Controllers
- T/EL/ELP
- T/EL/EP/ELP
- T/MC/EL/EP/ELP
- T50M/80M/140M/199M/399M/MC
- VHE Series 2
- WGO Series
- WH110/155
- Water
Committed to customer satisfaction
as experts in Safety Switches
Recently Viewed
Popular Products
View all →
NGR02-BBA | Gas Regulator | 3/4" NPT | 1/4" Orifice | Green Spring 6.5"-16"wc | Norgas Controls
Brand: Norgas Controls
SKU: NGR02-BBA
BA/10K-2-H210-D-BBX | Duct Humidity (%RH) Sensor with Optional Temperature Sensor | BAPI
Brand: BAPI
SKU: BA/10K-2-H210-D-BBX
N5D-1500-S | GAS REGULATOR, 1-1/2" NPT, SILVER SPRING 7-11"WC, 2 PSI CSA | Norgas Controls (OBSOLETE)
Brand: Norgas Controls
SKU: N5D-1500-S
ZPS-ACC04-1 | Room Pressure Pickup Ports with Temperature Sensor | BAPI
Brand: BAPI
SKU: ZPS-ACC04-1
B214 | Characterized Control Valve (CCV), 1/2", 2-way | Belimo
Brand: Belimo
SKU: B214
EPRC1501-NL | EVERFLOW 1-1/2" X 1" PEX BARB RED. COUPLING LEAD FREE | Everflow
Brand: Everflow
SKU: EPRC1501-NL